Every year, May Day is organized with the time, labor, and support of many organizations in the Detroit area. The following is a list of endorsers of the 2025 May Day Rally and March, without which this yearly event would not have been possible:
- Sheet Metal Workers L80
- Sprinkler fitters L704
- Operating Engineers, Local 324
- Operative Plasters and Cement Masons L514
- Bricklayers Local 2
- IBEW Local 58
- Roofers L149
- IBEW Local 17
- Wayne Academic Union
- GEO AFT Local 6123
- Ben Mahan, President, AFGE Local 0933
- UAW-D
- Michigan Building Trades Council
- APRI Metro Detroit
- APRI DD/Downriver
- The James and Grace Lee Boggs Center
- ABISA – African Bureau of Immigrants and Social Affairs
- Doctors Against Genocide
- Detroit Justice Center
- Riverwise Magazine
- People’s Assembly
- Return Collective
- ACLU of Michigan
- Anakbayan
- Detroit People’s Water Board Coalition
- Michigan Welfare Rights
- 50501
- Detroit Union Education League
- Detroit Jericho
- Michigan Action for Cuba Committee
- One Fair Wage
- The Local Credit Union
- Palestinian Youth Movement – Michigan
- US Palestinian Community Network
- Coalition Against Genocide
- Malcolm X Grassroots Movement – Detroit Chapter
- Detroit People’s Water Board
- Moratorium NOW! Coalition
- Detroit “Medicare for All” Effort
- General Defense Committee
- Michigan Welfare Rights
- Coalition for Police Transparency and Accounability
- Detroit Alliance Against Racist and Political Repression
- Christians Against Christian Nationalism
- General Strike US
- Detroit Democratic Socialists of America
- General Baker Institute
- DAREA
- Michigan Emergency Committee Against War and Injustice
- Detroit MLK Day Committee
- Detroiters for Tax Justice
- Nakba Survivors Association
- Freedom Road Socialist Organization
- Communist Party USA – Michigan
- MI Resist
- Michigan Social Workers for Palestine
- 482Forward
- MIStudentsDream
- Detroit Anti War Committee
- Wayne State Students for a Democratic Society
- Feedom Freedom Growers
- Communist Worker’s League